Cisco CP-7821-K9-RF 7821 IP Phone Refurbished - Charcoal - 2 SIP Lines - PoE - Dual Ethernet - Wall Mountable
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Product Features
Technical Overview
This IP phone operates on VoIP technology, enabling crystal-clear voice calls over internet protocols. It includes two RJ-45 network ports for connectivity, with one supporting PoE to reduce cable clutter and installation complexity.
The handset and base unit both use corded connectivity, ensuring stable audio transmission. Additional features like caller ID and a built-in speakerphone enhance usability for everyday business communications.
This section brings together practical product details such as IP Phone Technology, Handset Connectivity Technology, Base Unit Connectivity Technology, Network (RJ-45), so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
A strong technical summary explains how the product's interfaces, hardware profile, and operating characteristics work together in real deployment. Buyers often need this context to confirm compatibility with existing devices, expected performance in daily use, and whether installation will be straightforward for IT staff or end users.
Key Product Advantages
The Cisco 7821 combines essential telephony features with practical design elements that benefit business environments. Its environmental compliance with REACH, RoHS, and WEEE directives reflects a commitment to sustainable manufacturing practices.
These strengths make the product easier to deploy and manage in real environments, especially where reliability, usability, and day-to-day operational continuity matter. Notable benefits include Simplified Deployment, Space-Efficient Design.
Simplified Deployment
PoE support allows installation without a dedicated power outlet, ideal for retrofitting existing spaces or deploying in areas with limited electrical access.
- Single-cable power and data
- Reduced wiring complexity
Space-Efficient Design
The wall-mountable form factor and compact dimensions make it easy to integrate into various office layouts without consuming valuable desk space.
- Mounts vertically or horizontally
- Slim profile at 1.10" depth
Deployment / Use Cases
This phone fits well in environments where basic VoIP functionality and straightforward installation are priorities. Its dual Ethernet ports allow for daisy-chaining to connect additional devices like computers, supporting network efficiency in compact setups.
The refurbished condition ensures cost-effectiveness while maintaining performance, making it a practical choice for budget-conscious organizations upgrading their telephony infrastructure.
This section brings together practical product details such as IP Phone Technology, Handset Connectivity Technology, Base Unit Connectivity Technology, Network (RJ-45), so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Small Office Desks
Ideal for individual employees or shared workstations in small businesses, providing two-line support for handling multiple calls efficiently.
Reception or Common Areas
Suitable for front desks, lobbies, or break rooms where a reliable, wall-mounted phone is needed for quick access to internal and external communications.
Physical Profile
The Cisco 7821 features a charcoal gray finish that blends with modern office decor. Its dimensions of 8.15" height, 8.11" width, and 1.10" depth create a slim profile that minimizes desk footprint when used flat or mounted vertically.
Weighing approximately 1.91 pounds, the phone is lightweight yet durable, with a design that supports secure wall mounting using standard hardware. The corded handset and base ensure reliable physical connections without wireless interference.
- Width
- 8.11" (206 mm)
- Depth
- 1.10" (28 mm)
- Height
- 8.15" (207 mm)
- Weight
- 1.91 lb (867 g)
Highlights
- Supports 2 SIP lines for handling multiple calls
- Power over Ethernet (PoE) enabled for simplified cabling
- Dual RJ-45 network ports for daisy-chaining devices
- Charcoal gray finish with wall-mountable design
- Built-in speakerphone and caller ID features
- Corded handset and base for stable connectivity
- Refurbished condition for cost-effective deployment
- Compliant with REACH, RoHS, and WEEE environmental standards
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CP-7821-K9-RF |
| Brand Name | Cisco |
| Product Series | 7800 |
| Product Model | 7821 |
| Product Name | 7821 IP Phone |
| Product Condition | Refurbished |
| Product Type | IP Phone |
| Technical Information | |
| IP Phone Technology | VoIP |
| Handset Connectivity Technology | Corded |
| Base Unit Connectivity Technology | Corded |
| Total Number of Phone Lines | 2 |
| Caller ID | Yes |
| Speakerphone | Yes |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 2 |
| PoE (RJ-45) Port | Yes |
| Physical Characteristics | |
| Color Family | Gray |
| Product Color | Charcoal |
| Form Factor | Wall Mountable |
| Height | 8.15" (207 mm) |
| Width | 8.11" (206 mm) |
| Depth | 1.10" (28 mm) |
| Weight (Approximate) | 1.91 lb (867 g) |
| Miscellaneous | |
| Environmentally Friendly | Yes |
| Environmental Compliance | Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Restriction of Hazardous Substances (RoHS),Waste Electrical and Electronic Equipment Directive (WEEE) |
User Manual
FAQ
How many SIP lines does the Cisco 7821 IP Phone support?
The Cisco 7821 IP Phone supports two SIP lines, allowing you to handle two simultaneous calls or configure separate lines for different purposes, such as one for internal communications and another for external calls.
Does this phone support Power over Ethernet (PoE)?
Yes, this phone includes PoE support, which means it can receive both data and electrical power through a single Ethernet cable. This eliminates the need for a separate power adapter, simplifying installation in locations without easy access to power outlets.
What are the network connectivity options on the Cisco 7821?
The phone features two RJ-45 Ethernet ports. This dual-port design allows you to connect the phone to your network and also daisy-chain another device, like a computer, without requiring an additional network switch at the desk.
Can the Cisco 7821 be wall-mounted?
Yes, the phone is designed with a wall-mountable form factor. Its compact dimensions and lightweight construction make it easy to install on walls using standard mounting hardware, saving desk space and providing flexible placement options.
What color is the Cisco 7821 IP Phone?
The phone comes in a charcoal gray finish, which offers a professional appearance that blends well with most office environments. This neutral color helps maintain a cohesive look across your telecommunication setup.
Does the phone include a speakerphone and caller ID?
Yes, the Cisco 7821 includes both a built-in speakerphone for hands-free conversations and caller ID functionality to display incoming call information. These features enhance usability for everyday business communications.
How many SIP lines or accounts does this phone support?
The listed telephony detail is 2, which helps buyers confirm deployment fit for desk-phone and unified-communications environments.
Does this model support PoE?
The listed telephony detail is Yes, which helps buyers confirm deployment fit for desk-phone and unified-communications environments.